The feature of dlvhex-plugins to be able to rewrite the input program prior to the evaluation opens a variety of powerful application scenarios. Here we demonstrate how dlvhex can be used as a query engine for SPARQL, a W3C candidate for an RDF query language, by providing a rewriter from SPARQL to rules. For more information, see Technical Report GIA-TR-2006-11-28.

Mind that this is a preliminary version for demonstration purposes, which processes only a subset of SPARQL. The supported features are: